Certain abilities and item combinations that allowed players to easily sweep boss fights were adjusted. Weather and terrain abilities saw minor tweaks to prevent infinite turn scaling.
Pokemon Radical Red 3.1 stands as one of the most significant updates in the history of this critically acclaimed difficulty hack. Released by developer Soupercell, this version fundamentally reshaped the competitive landscape of the game. It introduced generation-spanning mechanics, crucial quality-of-life upgrades, and sweeping balance changes to both Pokémon and movesets. radical red 3.1 changelog